%0 Journal Article %A Guliev, V.S. %T Two-weighted -inequalities for singular integral operators on Heisenberg groups. %J Georgian Mathematical Journal %D 1994 %P 367-376 %V 1 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_1994__1_4_47356/ %G en %F GMJ_1994__1_4_47356